KN_PROCESSING
kn->kn_status = KN_PROCESSING;
KKASSERT(kn->kn_status & KN_PROCESSING);
KKASSERT(kn->kn_status & KN_PROCESSING);
local_marker.kn_status = KN_PROCESSING;
if (kn->kn_status & KN_PROCESSING) {
kn->kn_status |= KN_PROCESSING;
KKASSERT(kn->kn_status & KN_PROCESSING);
KKASSERT(kn->kn_status & KN_PROCESSING);
if (kn->kn_status & KN_PROCESSING) {
kn->kn_status |= KN_PROCESSING;
kn->kn_status &= ~KN_PROCESSING;
if (kn->kn_status & KN_PROCESSING) {
kn->kn_status |= KN_PROCESSING;
marker.kn_status = KN_PROCESSING;